Important info is that the betas downloaded here on Matrix do not work on Slitherine betas they use different installers. If you bought the game from Slitherine pls download on Slitherine forum, if you bought from Matrix download from the Matrix member section.

Also, it is good that you state what version number you are using since there are a lot now (1.01, 1.02, 1.03, 1.04, 1.05, ...) and also even better is if you also state all options you selected pre game such as FoW, difficulty level, scenario, ...